OpenTechnical

OT-2026-000087071

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000087071) never changes.

Identity and time

Publication numberOT-2026-000087071 · never reused
Internal UUID01a0ae9a-9f2d-7ff6-82b9-5658d86395af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087071
StatusPUBLIC

Content hashes

Canonical text74bfe15da51ef2a1bef8a11b919d0a12284010e5bee6d6ad07bd84b7a3ed17d9
Markdown42bf2c5e54d893e26d33e986fe939266ed9717aa851ea141c9e3f7c9d4472391
PDF
Publication page01f0b2e3ddad4efcfaf81bfa2b5c8828adcc450959ef5dab2f8c71c96d945be4
Manifest78ae91ce756e5bcfba01a7b444b128f912cafd74851242c0320d2e703783604f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJeW2PgZrZ8s4m7CmT1Cxz1Zh6Sx7F4eGjorDSglqH6PUTRpeWEy3BqcyTFjLdSECcLvE0ltSZbwzlqFaGnSxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:19.478734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087071
observed 01f0b2e3ddad4efcfaf81bfa2b5c8828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.462499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087071/manifest.json
observed 78ae91ce756e5bcfba01a7b444b128f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.444405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087071/publication.md
observed 42bf2c5e54d893e26d33e986fe939266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.429547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087071/publication.txt
observed 74bfe15da51ef2a1bef8a11b919d0a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.